38122642 has 8 divisors (see below), whose sum is σ = 57251376. Its totient is φ = 19038852.

The previous prime is 38122631. The next prime is 38122657. The reversal of 38122642 is 24622183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38122642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9028 + ... + 12559.

It is an arithmetic number, because the mean of its divisors is an integer number (7156422).

Almost surely, 2^38122642 is an apocalyptic number.

38122642 is a deficient number, since it is larger than the sum of its proper divisors (19128734).

38122642 is a wasteful number, since it uses less digits than its factorization.

38122642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22472.

The product of its digits is 4608, while the sum is 28.

The square root of 38122642 is about 6174.3535694030. The cubic root of 38122642 is about 336.5588359478.

The spelling of 38122642 in words is "thirty-eight million, one hundred twenty-two thousand, six hundred forty-two".